The nitrogen cycle is an example of a(n) Choose...
cycle. Its processes include the conversion of atmospheric nitrogen into ammonia, which is called
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. Nitrogen is returned to the atmosphere in the process of
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.

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

Scientific evidence is most likely to be consistent if it is based on data from